12 software engineer front end developer jobs at 8 companies in Lancaster, PA
1mo
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Frontend Developer
Malvern, Pennsylvania, United States
$110k-$120k/yr OnsiteFull Time
10+ YOE10+ years frontend experience with React, JavaScript/TypeScript, HTML5, CSS3, GitHub, CI/CD, and automated testing (Playwright). Bachelor's in Computer Science required.
React, JavaScript, TypeScript, ES5, ES6, HTML5, CSS3, GitHub, CI/CD, Playwright
1mo
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Sr. Software Developer
Mechanicsburg, Pennsylvania, United States
$100k-$105k/yr OnsiteContract
10+ YOE10+ years professional software development experience; strong expertise with C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript and modern front-end frameworks, SQL/Entity Framework, microservices, messaging, Git; U.S. citizen with current T3 investigation; onsite work required.
C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript, React, Angular, SQL, Entity Framework, NServiceBus, RabbitMQ, Git
2w
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Sr Staff Fullstack Developer (Frontend focused)
Exton or Boulder or Huntsville or Dayton
$136k-$204k/yr OnsiteFull Time
4+ YOEBachelor's with 8 years, master's with 6, or PhD with 4; front-end and back-end development expertise, cloud deployment, web components, Git, Agile, and testing experience.
HTML5, CSS3, JavaScript, React, Angular, C#, Java, Python, Node.js, Docker, Kubernetes, AWS, Microsoft Azure, Git, Jasmine, Karma, Jest, Vitest, Ansys
1w
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Software Engineer Sr - E3
King of Prussia, Pennsylvania, United States
$110k-$205k/yr OnsiteFull Time
3+ YOERequires JavaScript/Node, C#, modern web frameworks, GitLab pipelines, Agile/Scrum, Top Secret clearance with SCI eligibility, and front-end development experience with React or Angular.
JavaScript, Node.js, C#, Angular, React, Vue.js, Ember.js, GitLab, Agile, Jira, Version One, Confluence, RxJS, Redux, MobX, NgRx, Context API, HTML5, CSS3, Sass, TypeScript, Material UI, Ant Design, Bootstrap, Jest, React Testing Library, Karma, Jasmine
6d
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Java Engineer
New Castle, Delaware, United States
$80k-$110k/yr OnsiteFull Time
6+ YOE6–8 years of experience building enterprise Angular applications with AG Grid, TypeScript, RxJS, REST APIs, frontend architecture, caching strategies, and performance optimization; bachelor's degree in computer science.
Angular, TypeScript, RxJS, AG Grid, REST, HTTP
2mo
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Front End/Angular 2+/Full Stack Java Developer
Hanover, Maryland, United States
OnsiteFull Time
1+ YOE1+ years of related experience in Java and web development (Angular 2+/ReactJS), OO Java (1.8+), Spring/Spring Boot, MongoDB or relational databases; US citizenship; Top Secret SCI + Polygraph clearance required.
Angular, Java, Spring, Spring Boot, MongoDB, ReactJS, Web Development
3w
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Senior Software Engineer
Wilmington, Delaware, United States
HybridFull Time
Strong C#/.NET Core development skills, front-end framework and JavaScript/TypeScript proficiency, experience with Entity Framework Core, SQL Server, Azure Functions, AI-assisted tools, and test automation.
C#, .NET Core, Blazor Server, Blazor WebAssembly, GitHub Copilot, Cursor, Claude Code, Entity Framework Core, SQL Server, Azure Functions, Bootstrap, Playwright, MediatR, Fluxor, Polly, Docker, Kubernetes, Artillery, JMeter, K6, Locust, Azure AI Foundry, Azure OpenAI Service, Git, React, Angular, Vue, JavaScript, TypeScript
1w
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Lead Engineer | Onsite - Delaware
Wilmington or Delaware
$56k-$196k/yr OnsiteFull Time, Contract
Photon: A technology organization developing large-scale web and user-interface platforms.
8+ YOE3+ MgmtRequires 8+ years of front-end engineering and 3+ years as a tech lead, with expert React, Node.js, TypeScript, Webpack, Module Federation, micro-frontends, UI architecture, security, and delivery leadership experience.
React, Node.js, TypeScript, Webpack, Module Federation, Figma, Redux, Context, ARIA, WCAG, OAuth, OIDC, OWASP, Playwright, Sentry, Datadog RUM
1mo
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Java fullstack developer
Addison or Charlotte or Newark or Pennington
$76k-$120k/yr OnsiteFull Time
Experience with Core Java, Spring (MVC/Boot), microservices, REST/SOAP, Oracle DB, front-end scripting, cloud platforms; Bachelor's degree or equivalent; authorized to work in the US without sponsorship.
Java, Core Java, J2EE, Spring MVC, Spring Boot, Microservices, REST, SOAP, Oracle Database, Hibernate, JSP, JavaScript, WebSphere, JBoss, AWS, GCP, Azure
2d
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Java Analyst
New Castle, Delaware, United States
$80k-$110k/yr OnsiteFull Time
6+ YOERequires 6+ years of frontend engineering experience with Angular, TypeScript, RxJS, AG Grid Enterprise, RESTful APIs, caching strategies, frontend design patterns, and enterprise-scale applications.
Angular, TypeScript, RxJS, AG Grid, RESTful APIs
1w
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Quality Assurance Engineer
Hunt Valley, Maryland, United States
$98k-$110k/yr HybridFull Time
3+ YOEBachelor's degree in IT or equivalent experience, 3–6+ years of application testing, SQL and relational database experience, SDLC knowledge, front- and back-end testing, and software defect troubleshooting.
SQL, T-SQL, Robot Framework, Selenium, Copilot, ChatGPT, Jira, Azure DevOps, Jenkins, Microsoft Visual Studio, Git
1mo
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Technical Lead - UI Porta& MFE Enablement | Onsite - Delaware
Wilmington, Delaware, United States
$56k-$196k/yr OnsiteFull Time
Photon: A hiring organization focused on delivering large-scale UI and frontend engineering solutions.
8+ YOE3+ Mgmt8+ years front-end engineering with 3+ years as a tech lead; expert React, Node.js/TypeScript, Webpack/Module Federation, state management, accessibility (WCAG/ARIA), OAuth/OIDC, UI performance and containerized deployments.
React, Node.js, TypeScript, Webpack, Module Federation, Redux, Figma, OAuth, OIDC, Playwright, Sentry, Datadog RUM, WCAG, OWASP